The cost of “inciting insurrection” 
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Claims by President Donald Trump that sparked a deadly riot at the Capitol cost the U.S. taxpayer over $500 million in enhanced security, property repairs and legal fees, according to the Washington Post
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National Guard
$480,000,000
Deploying some 25,000 troops to Washington from January
to mid-March
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State costs
$28,310,464
Incurred by 17 states – associated with protests and security ahead of Inauguration Day on January 20.

Jan 14-21: California spends $19 million deploying National Guard and state troopers to protect state Capitol and other locations. Ohio spends $1,225,000 on security
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Capitol building
Unavailable
Damage and cleanup to Congress and National Mall. Costs of U.S. Park Police and U.S. Capitol Police
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Legal costs
$2,217,905
Legal fees to fend off conspiracy-theory lawsuits from Trump. States spend millions on election recounts not required by law but demanded by Trump
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Washington DC
$8,800,000
Surge of 850 police officers on Jan 6 plus added security at Capitol
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Costs: Associated with January 6 insurrection and Jan 20 inauguration
$488,800,000

State costs $28,310,464 

Legal challenges and security for election officials $2,217,905

Total $519,328,369

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Source: Costs identified by the Washington Post Pictures: Getty Images © GRAPHIC NEWS